Home / 1,994,145.60-2,991,218.40-574,345.20

Finding the Fourth Proportional to 1,994,145.60, 2,991,218.40 and 574,345.20

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Solution

The fourth proportional to 1,994,145.60, 2,991,218.40 and 574,345.20 is: 861,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,145.60 : 2,991,218.40 = 574,345.20 : x
  2. Step 2: Convert to fraction form
    1,994,145.60/2,991,218.40 = 574,345.20/x
  3. Step 3: Cross multiply
    1,994,145.60x = 2,991,218.40 × 574,345.20
  4. Step 4: Simplify right side
    1,994,145.60x = 1,717,991,930,191.68
  5. Step 5: Solve for x
    x = 1,717,991,930,191.68/1,994,145.60
  6. Step 6: Final answer
    x = 861,517.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.